Tommy Kjærgaard Nielsen

Biopsy results of Bosniak 2F and 3 cystic lesions

Publikation: KonferencebidragKonferenceabstrakt til konferenceForskningpeer review

  • René Rasmussen, Danmark
  • Arne Hørlyck, Billeddiagnostisk Afd. Aarhus Universitetshospital, Skejby, Danmark
  • Tommy Kjærgaard Nielsen
  • Søren Høyer, Danmark
  • Ole Graumann, Danmark
Purpose: The distinction between benign and malignant complex cystic renal lesions remains a challenge. Bosniak 2F lesions are often followed with repeated CT for a minimum of five years, often entailing a high exposure to radiation. The aim of the present study was to evaluate whether biopsy could be helpful in clinical decisions.
Material and Methods: From March 2013 - December 2014 a total of 295 percutaneous ultrasound guided biopsies from 287 patients with a suspected malignant renal lesion were performed at our institution. All cases were reviewed in PACS by (RR) and lesions presenting with a cystic change were re-evaluated and re-categorized after the Bosniak classification system. The re-evaluation and re-categorization was performed in consensus by a junior radiologist (RR) and an uro-radiological expert (OG).
Results: Biopsies from eighteen Bosniak 2F cystic lesions were pathologically analyzed and three (17%) proved to be malignant. Biopsies from seventeen Bosniak 3 cystic lesions were pathologically analyzed and five (29%) were found to be malignant.
Conclusion: Our results reveal a considerable malignancy rate among both Bosniak 2F and 3 cystic renal lesions. Biopsy seems to be a useful diagnostic tool prior to planning of an imaging follow-up programme for Bosniak 2F lesions.
StatusUdgivet - 2015
BegivenhedESUR2015: European Society of Urogenital Radiology - København, Danmark
Varighed: 16 sep. 201519 sep. 2015



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